fix(toolbar) Fix toolbar always visible; refactors

- deprecate `INITIAL_TOOLBAR_TIMEOUT`, `TOOLBAR_ALWAYS_VISIBLE`, `TOOLBAR_TIMEOUT`

interface_config.js

@@ -97,7 +97,11 @@ var interfaceConfig = {
      */
     HIDE_INVITE_MORE_HEADER: false,
 
-    INITIAL_TOOLBAR_TIMEOUT: 20000,
+    /**
+     * DEPRECATED! Moved to config.js as `toolbarConfig.initialTimeout`.
+     */
+    // INITIAL_TOOLBAR_TIMEOUT: 20000,
+
     JITSI_WATERMARK_LINK: 'https://jitsi.org',
 
     LANG_DETECTION: true, // Allow i18n to detect the system language
@@ -183,7 +187,10 @@ var interfaceConfig = {
      */
     SUPPORT_URL: 'https://community.jitsi.org/',
 
-    TOOLBAR_ALWAYS_VISIBLE: false,
+    /**
+     * DEPRECATED! Moved to config.js as `toolbarConfig.alwaysVisible`.
+     */
+    // TOOLBAR_ALWAYS_VISIBLE: false,
 
     /**
      * DEPRECATED!
@@ -191,7 +198,10 @@ var interfaceConfig = {
      */
     // TOOLBAR_BUTTONS: [],
 
-    TOOLBAR_TIMEOUT: 4000,
+    /**
+     * DEPRECATED! Moved to config.js as `toolbarConfig.timeout`.
+     */
+    // TOOLBAR_TIMEOUT: 4000,
 
     // Browsers, in addition to those which do not fully support WebRTC, that
     // are not supported and should show the unsupported browser page.